High Performance Battery Materials

Cathodes, Anodes, and Solid Electrolyte Materials

Polymer-Ceramic Composite Electrolyte

NANOMYTE® SE-50

NANOMYTE® SE-50 is a hybrid polymer-ceramic solid electrolyte engineered for advanced solid-state lithium batteries. This material directly addresses two critical barriers to high-performance solid-state battery systems: the inherently low ionic conductivity common to many solid electrolytes and the significant interfacial impedance at the electrode-electrolyte interface. SE-50 is specifically designed to mitigate these challenges, exhibiting high Li+ ionic conductivity and achieving low interfacial resistance between the active electrode materials and the solid electrolyte. These superior transport and interfacial properties are attributed to the material’s unique elastomeric and self-adhesive characteristics, which facilitate intimate contact. Furthermore, NANOMYTE® SE-50 demonstrates excellent electrochemical stability, enabling its compatibility with high-voltage cathode materials, thus expanding the operational voltage window and enhancing energy density.

Product Features & Benefits

NANOMYTE® SE-50 is used as the separator and is added to the electrode as well. The material has been engineered such that it provides for low interfacial resistance between the electrode and electrolyte. The standard form of SE-50 is a polymer-ceramic composite, but it can also be supplied without the ceramic, with similar electrochemical properties.

  • Compatible with Lithium metal
  • Excellent electrochemical stability
  • Exceptionally low interfacial resistance
  • Stable up to 5.2V (at RT)
  • High ionic conductivity
  • Thermally stable up to 150 °C

NEI offers SE-50 in lots of 10g, 25g, 50g, & 100g quantities (or larger) and is available in three different forms:

  • NANOMYTE® SE-50 is a bulk solid composite
  • NANOMYTE® SE-50A is a 30% SE-50 solution in Acetonitrile
  • NANOMYTE® SE-50N is a 30% SE-50 solution in NMP

Note: All weights refer to the solids content

Page updated June 4, 2025

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